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Finding the Fourth Proportional to 17,205.75, 25,808.63 and 4,893.75

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Solution

The fourth proportional to 17,205.75, 25,808.63 and 4,893.75 is: 7,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.75 : 25,808.63 = 4,893.75 : x
  2. Step 2: Convert to fraction form
    17,205.75/25,808.63 = 4,893.75/x
  3. Step 3: Cross multiply
    17,205.75x = 25,808.63 × 4,893.75
  4. Step 4: Simplify right side
    17,205.75x = 126,300,958.59
  5. Step 5: Solve for x
    x = 126,300,958.59/17,205.75
  6. Step 6: Final answer
    x = 7,340.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.